Outcomes

Apply the properties of angles to solve for unknown values in a triangle

In this formative you will find...

-Unit Notes

-Extra videos for understanding

-Textbook questions and answers for this topic

-A formative quiz to check your understanding

Please comple the following questions in your notebook. I will be doing periodic homework checks so make sure you do not lose it. You can check your work with the key at the end

Homework Questions

- Pg. 410 # 3-6, 11

- Class Notes

Textbook Questions Key

8.3 Formative Quiz

1

The region of the circle shown in blue is referred to as the

chord

minor arc

major arc

circumference

1

Line AB in the circle is referred to as the

central angle

chord

radius

subtended angle

1

Angle x in the circle is referred to as the

origin

inscribed angle

central angle

circular angle

1

Which of the following is true of angle y in the circle?

it must be 90 degrees

it must be twice the value of angle x

it must be the same as angle x

it must be half the value of angle x

1

Point A on the circle is said to be subtended by arc

AB

BC

CA

90^o

1

What is the value of angle y in the circle?

30^o

45^o

180^o

90^o

1

Which of the following is true of angles w, x, y and z in the circle?

x is equal to y, but not to z and w

all four angles are the same

x is equal to z, but not to y and w

x is equal to w, but not to y and z

1

What is the value of angle C?

35^o

17.5^o

70^o

11.7^o

1

What must be the value of angle x? (Hint: a central angle will always make an isosceles triangle)

110 degrees

55 degrees

90 degrees

Not enough info

1

Rectangle ABCD is inscribed in a circle with a radius of 5 cm. The length of the rectangle is 9 cm. What is the width of the rectangle? Record your answer to the nearest tenth (do NOT record units)

8.3: PROPERTIES OF ANGLES

Textbook Questions Key

8.3 Formative Quiz

8.3: PROPERTIES OF ANGLES

Homework Questions

- Pg. 410 # 3-6, 11

- Class Notes

Textbook Questions Key

8.3 Formative Quiz

The region of the circle shown in blue is referred to as the

Line AB in the circle is referred to as the

Angle x in the circle is referred to as the

Which of the following is true of angle y in the circle?

Point A on the circle is said to be subtended by arc

What is the value of angle y in the circle?

Which of the following is true of angles w, x, y and z in the circle?

What is the value of angle C?

What must be the value of angle x? (Hint: a central angle will always make an isosceles triangle)

Rectangle ABCD is inscribed in a circle with a radius of 5 cm. The length of the rectangle is 9 cm. What is the width of the rectangle? Record your answer to the nearest tenth (do NOT record units)

Homework Questions

- Pg. 410 # 3-6, 11

- Class Notes

The region of the circle shown in blue is referred to as the

Line AB in the circle is referred to as the

Angle x in the circle is referred to as the

Which of the following is true of angle y in the circle?

Point A on the circle is said to be subtended by arc

What is the value of angle y in the circle?

Which of the following is true of angles w, x, y and z in the circle?

What is the value of angle C?

What must be the value of angle x? (Hint: a central angle will always make an isosceles triangle)

Rectangle ABCD is inscribed in a circle with a radius of 5 cm. The length of the rectangle is 9 cm. What is the width of the rectangle? Record your answer to the nearest tenth (do NOT record units)